/* Opt-in collapse for grids whose desktop columns are set inline.
   !important is required to beat the inline grid-template-columns. */
@media (max-width: 768px) {
  .m-stack { grid-template-columns: 1fr !important; gap: 20px !important; }
  .m-two { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
}